The Journal of Commerce reported today:

The slowdowns began Wednesday and, according to several sources, were triggered by the firing of two International Longshoremen’s Association maintenance and repair workers at APM Terminals.

In the wake of the firings, ILA workers reportedly were insisting on thorough inspections of intermodal equipment at port terminals. The slowdowns aggravated delays that normally accompany heavy traffic on a holiday weekend.

Read the rest at JOC